Dermatologist-developed, <b>Clinique</b>&#39;s Sonic System Purifying <b>Cleansing Brush</b> has sonic movements which offer deep yet gentle cleansing. The brush features two bristle types for targeted cleansing in hard-to-reach, contoured areas of the face where dirt hides. In today&#39;s environment, skin needs a deeper clean. The brush&#39;s gentle sonic action helps dislodge a world of impurities, dirt and pollution that hand washing may miss. It even helps lift residue of make-up and sunscreens. Like all Clinique skin care, it was developed with the expertise of guiding dermatologists. Their recommendations – tilted head, two types of bristles – were Swiss engineered to create a precision instrument you&#39;ll find a pleasure to use.